Hole Locators | McMaster-Carr

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460 Products

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

70 products

Other Products

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

Probe Styli

Attach to CMM probes, CNC probes, or FARO arms to inspect workpieces

110 products

Drill Bit Guides

Drill precise holes without building a fixture

15 products

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

148 products

Gasket Cutters

Create circular gaskets from pliable material and soft metal

16 products

Drill Guides

Pair with handheld drills to create precise holes, no drill press required

2 products

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

3 products

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

50 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

21 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

13 products

Calibration Spheres

Test your CMM probe and stylus against a precise reference point before you start inspecting

7 products